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Intel Pentium 5405U vs i3-3120M

The Intel Pentium 5405U @ 2.30GHz is newer than Intel Core i3-3120M @ 2.50GHz also around 25% faster in multi-threaded (CPU Mark) testing but the CPUs have comparable single-thread rating. However, Intel Pentium 5405U @ 2.30GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 1545 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Pentium 5405U @ 2.30GHz×Intel Core i3-3120M @ 2.50GHz+ ADD
Price Search Online $129 - BUY
Socket TypeFCBGA1528PGA988
CPU ClassLaptopLaptop
Clockspeed2.3 GHz2.5 GHz
Turbo SpeedNA2Not Supported
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 2MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP15W35W
Yearly Running Cost$2.74$6.39
OtherIntel UHD Graphics 610
First Seen on ChartQ2 2019Q1 2012
# of Samples1511394
CPU Value14.113.2
Single Thread Rating(% diff. to max in group)1310(0.0%)1274(-2.8%)
CPU Mark(% diff. to max in group)2264(0.0%)1697(-25.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Pentium 5405U @ 2.30GHz
2,264
Intel Core i3-3120M @ 2.50GHz
1,697
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 14th of March 2025 - Higher results represent better value
Intel Pentium 5405U @ 2.30GHz
14.1
Intel Core i3-3120M @ 2.50GHz
13.2
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 14th of March 2025 - Higher results represent better performance
Intel Pentium 5405U @ 2.30GHz
1,310
Intel Core i3-3120M @ 2.50GHz
1,274
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Pentium 5405U @ 2.30GHz Intel Core i3-3120M @ 2.50GHz
Max TDP15W35W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.